Roll type solid electrolyte capacitor
US4889536A · kind A · utility
9Cited by
2References
28Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 27, 1989 |
| Grant date | Dec 26, 1989 |
| Priority date | — |
| Expiry date | Jun 27, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01G9/151
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a solid electrolytic capacitor having a roll-form capacitor element. The capacitor element has a coated structure comprising a valve metal positive electrode substrate having a dielectric oxide layer on the surface thereof, a semiconductor layer formed on the dielectric oxide layer and an electroconductive layer formed on the semiconductor layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.